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ytab_setup.exe

Boris Vladimirovich BOBOVSKY

The setup package is an adware installer (using InstalleRex) that will deploy with little or no user consent adware offerings including but not limited to browser extensions (add-ins, toolbars) that will inject various forms of advertising in the user's browser. The application ytab_setup.exe by Boris Vladimirovich BOBOVSKY has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the WebPick InstalleRex installer.
Publisher:
Boris Vladimirovich BOBOVSKY  (signed and verified)

MD5:
354f8bde2f6d07cf3baeff4619073eb4

SHA-1:
69c064fb85e8c6048cfb15fc11901296bede2048

SHA-256:
9c0f478f3b2cd1e5f39c2c0ad90f4a4ba39222f3bd8e063e6abc0697f5e12cc2

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional adware products (monetized browser extensions, ad injectors) in the installer.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/19/2024 4:59:35 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.BorisVladimirovichBOBOVSKY.Bundler (M)
16.2.13.1

File size:
1.3 MB (1,327,888 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\addons\ytab_setup.exe

Digital Signature
Signed by:
Boris Vladimirovich BOBOVSKY

Authority:
Unizeto Technologies S.A.

Valid from:
12/27/2013 7:31:44 AM

Valid to:
12/27/2014 7:31:44 AM

Subject:
E=bob@borr.info, CN="Open Source Developer, Boris Vladimirovich BOBOVSKY", O=Boris Vladimirovich BOBOVSKY, C=UA

Issuer:
CN=Certum Level III CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
1ADBC4E5D3604FB9725702528437E82A

File PE Metadata
Compilation timestamp:
9/9/2013 5:07:55 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:OLzuJxUidDVL5KsCSH5aQ5hSCgNH1FlfYdqvkF8Z7NDHiPhY6:OLKJxhRL9N5b5mdOdlIDHiPy6

Entry address:
0xD5B4

Entry point:
E8, 72, 4F, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 38, C0, 41, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 3C, C0, 41, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, 09, 19, 00, 00, 85, C0, 75, 06, B8, A0, C1, 41, 00, C3, 83, C0, 08, C3, E8, F6, 18, 00, 00, 85, C0, 75, 06, B8, A4, C1, 41, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Code size:
88 KB (90,112 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to i1.stylefun.info  (198.7.61.118:80)

TCP (HTTP):
Connects to dl.softservers.net  (184.154.145.171:80)

TCP (HTTP):
Connects to c1.getapplicationmy.info  (54.201.215.30:80)

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